CVE-2021-23126

Exploitation

Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.

SSVC decision

Not assessed by CISA

EPSS probability

1.11% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 65.6% of scored records. A rank, not a probability.

NVD base score

5.3 (CVSS v3.x), scored by the NVD independently of the CNA.

NVD CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

NVD analysis status

Modified. NVD last modified this record on 2026-06-17.

Red Hat severity

No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

Published

2021-03-04 17:37Z5 YR AGO

Last updated

2026-02-25 05:04Z8 MO AGO

Reserved

2021-01-06

Assigning CNA

Joomla

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-338Use of Cryptographically Weak Pseudo-Random Number Generator (PRNG)Base

Data version

5.2

Document digest

f149afc11bf5e46307cfaf297523f783b979057af0f58005a5d7ab383f62e9b9

• developer.joomla.orghttps://developer.joomla.org/security-centre/841-20210301-core-insecure-randomness-within-2fa-secret-generation.htmlx_refsource_MISCvendor-advisory